184 REPORT OF THE VICTORIAN GOVERNMENT BOTANIST. 
somewhat raised and to be covered with a gravel-layer, or perhaps with 
clayey grit, which is far more accessible, and will bind into a firm mass, 
impervious to rain. A large portion of the main drive from the City 
Bridge to Anderson Street, needs yet to be macadamized, and basalt 
boulders might be used to mark off lastingly its footpaths. 
he tree lines along the walks amount altogether now to 21 miles ; 
also, different kinds of trees have recently been chosen for these ave- 
nues, to exhibit the relative merits of each. The remaining portion 
of the reserve between the City Bridge and the Botanic Garden has 
latterly also been planted with many additional kinds of Pines— not 
less than 21,000 Pines, representing very many species, being now 
grouped or scattered on the lawns. To prevent more completely a 
certain degree of monotony, which might be caused by the massive 
upgrowth of Conifers, though many are of very distinet form, and 
though lines of deciduous trees dissect the lawns, I introduced into the 
incipient pinetum several hundreds of New Zealand Palm-lilies (Cor- 
dyline Australis and C. indivisa), and also numerous groups of real 
Palms,—for instance, the Gippsland Fan-Palm, the New Zealand Nika- 
Nika, the Date, the Seaforthia, the Sabal, aud a few others equally 
hardy. Many of these Palms or palm-like plants have become already 
very conspicuous, and it may be readily foreseen that, within a few 
years, the environs of the city will assume by this measure an aspect 
so exotic, that a visitor viewing the suburban landscape will imagine 
himself to be within the tropics. To the Palm groves require still to 
be added in quantity the Chilian Jubaa and the equally hardy Chinese 
Livistonia. The various trees will form a nucleus for forest culture 
when gradually bearing seeds, and when not merely the protection but 
also the enrichment of the native forests will become an object of legis- 
lative enactments. The total number of trees now planted out ap- 
proaches to 30,000. The Willow plantations along both the Yarra 
banks, from Prince's Bridge to Richmond, have been renewed or com- 
pleted this year on the municipal side of the river by the aid of the 
Corporation. The renewal of the fences since the last floods, effected 
at great expense by the City Council, has afforded for this purpose all 
the necessary security. Weeping Willows and various kinds of Basket 
Willows have been chosen promiscuously to combine ornament with 
utility. i 
A dense belt of vegetation will thus guard against accidents, embel- 
